Air blower



FIG. 1 is a top, left front perspective view of an air blower showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dotted lines are intended to show features that are environmental only and form no part of the claimed design. 

CLAIM The ornamental design for an air blower, as shown and described. 